the vanishing cow!

Is Global Warming Leading To Cow Infertility? Reproductive efficiency has suffered a dramatic decrease since the mid-1980s despite rapid worldwide progress in genetics and management of high producing dairy herds.

Researchers from the University of Barcelona propose that summer heat stress is likely to be a major factor related to low fertility in high producing dairy herds, especially in countries with warm weather.Scientific Blogging, 5 Sep 2007